| Total (n = 254) | Adults (n = 182) | Children (n = 72) |
---|---|---|---|
Bacteria, n (%) | 66 (26.0) | 54 (29.7) | 12 (16.7) |
  Haemophilus influenzae | 12 (4.7) | 11 (6.0) | 1 (1.4) |
  Klebsiella pneumoniae | 8 (3.1) | 6 (3.3) | 2 (2.8) |
  Staphylococcus aureus | 4 (1.6) | 1 (0.5) | 3 (4.2) |
  Escherichia coli | 4 (1.6) | 3 (1.6) | 1 (1.4) |
  Pseudomonas aeruginosa | 4 (1.6) | 4 (2.2) | 0 (0.0) |
  Streptococcus pneumoniae | 3 (1.2) | 2 (1.1) | 1 (1.4) |
  Streptococcus pyogenes | 3 (1.2) | 2 (1.1) | 1 (1.4) |
  Legionella pneumophila | 3 (1.2) | 3 (1.6) | 0 (0.0) |
  Mycobacterium tuberculosis | 3 (1.2) | 3 (1.6) | 0 (0.0) |
  Mycoplasma pneumoniae | 1 (0.4) | 0 (0.0) | 1 (1.4) |
 Other bacteria | 21 (8.3) | 19 (10.4) | 2 (2.8) |
Viruses, n (%) | 119 (46.9) | 54 (29.7) | 65 (90.3) |
 Rhinovirus A/B/C | 33 (13.0) | 16 (8.8) | 17 (23.6) |
 Influenza A virus | 17 (6.7) | 11 (6.0) | 6 (8.3) |
 Influenza B virus | 4 (1.6) | 0 (0.0) | 4 (5.6) |
 Adenovirus | 14 (5.5) | 4 (2.2) | 10 (13.9) |
 Bocavirus 1/2/3/4 | 9 (3.5) | 0 (0.0) | 9 (12.5) |
 Respiratory syncytial virus A | 8 (3.1) | 4 (2.2) | 4 (5.6) |
 Respiratory syncytial virus B | 6 (2.4) | 5 (2.7) | 1 (1.4) |
 Parainfluenza virus 1 | 1 (0.4) | 1 (0.5) | 0 (0.0) |
 Parainfluenza virus 2 | 1 (0.4) | 0 (0.0) | 1 (1.4) |
 Parainfluenza virus 3 | 6 (2.4) | 3 (1.6) | 3 (4.2) |
 Parainfluenza virus 4 | 5 (2.0) | 2 (1.1) | 3 (4.2) |
 Human Metapneumovirus | 5 (2.0) | 2 (1.1) | 3 (4.2) |
 Enterovirus | 3 (1.2) | 0 (0.0) | 3 (4.2) |
 Coronavirus 229E | 1 (0.4) | 1 (0.5) | 0 (0.0) |
 Coronavirus NL63 | 2 (0.8) | 1 (0.5) | 1 (1.4) |
 Coronavirus OC43 | 1 (0.4) | 1 (0.5) | 0 (0.0) |
 Non respiratory viruses | 3 (1.2) | 3 (1.6) | 0 (0.0) |
Fungi, n (%) | 10 (3.9) | 9 (4.9) | 1 (1.4) |
 Pneumocystis jirovecii | 6 (2.4) | 6 (3.3) | 0 (0.0) |
 Other fungi | 4 (1.6) | 3 (1.6) | 1 (1.4) |